Collaboration diagram for Performance Schema Engine:

Classes
class	ha_perfschema
class	PFS_check_intact
class	PFS_internal_schema_access
class	PFS_engine_table
struct	PFS_engine_table_share
class	PFS_readonly_acl
class	PFS_truncatable_acl
class	PFS_updatable_acl
class	PFS_editable_acl
class	PFS_unknown_acl
struct	PFS_simple_index
struct	PFS_double_index
struct	PFS_triple_index

Typedefs
typedef PFS_engine_table (	pfs_open_table_t )(void)
typedef int(*	pfs_write_row_t )(TABLE table, unsigned char buf, Field **fields)
typedef int(*	pfs_delete_all_rows_t )(void)
typedef ha_rows(*	pfs_get_row_count_t )(void)

Functions
void	initialize_performance_schema_acl (bool bootstrap)
bool	pfs_show_status (handlerton hton, THD thd, stat_print_fn *print, enum ha_stat_type stat)
static void	PFS_engine_table_share::check_all_tables (THD *thd)
virtual void	PFS_check_intact::report_error (uint code, const char *fmt,...)
void	PFS_engine_table_share::check_one_table (THD *thd)
static void	PFS_engine_table_share::init_all_locks (void)
static void	PFS_engine_table_share::delete_all_locks (void)
ha_rows	PFS_engine_table_share::get_row_count (void) const
int	PFS_engine_table_share::write_row (TABLE table, unsigned char buf, Field **fields) const
static const PFS_engine_table_share *	PFS_engine_table::find_engine_table_share (const char *name)
int	PFS_engine_table::read_row (TABLE table, unsigned char buf, Field **fields)
int	PFS_engine_table::update_row (TABLE table, const unsigned char old_buf, unsigned char new_buf, Field *fields)
int	PFS_engine_table::delete_row (TABLE table, const unsigned char buf, Field **fields)
virtual int	PFS_engine_table::delete_row_values (TABLE table, const unsigned char buf, Field **fields)
void	PFS_engine_table::get_position (void *ref)
void	PFS_engine_table::set_position (const void *ref)
void	PFS_engine_table::get_normalizer (PFS_instr_class *instr_class)
static void	PFS_engine_table::set_field_ulong (Field *f, ulong value)
static void	PFS_engine_table::set_field_ulonglong (Field *f, ulonglong value)
static void	PFS_engine_table::set_field_char_utf8 (Field f, const char str, uint len)
static void	PFS_engine_table::set_field_varchar_utf8 (Field f, const char str, uint len)
static void	PFS_engine_table::set_field_longtext_utf8 (Field f, const char str, uint len)
static void	PFS_engine_table::set_field_enum (Field *f, ulonglong value)
static void	PFS_engine_table::set_field_timestamp (Field *f, ulonglong value)
static ulonglong	PFS_engine_table::get_field_enum (Field *f)
static String *	PFS_engine_table::get_field_char_utf8 (Field f, String val)
static String *	PFS_engine_table::get_field_varchar_utf8 (Field f, String val)
virtual int	PFS_engine_table::update_row_values (TABLE table, const unsigned char old_buf, unsigned char new_buf, Field *fields)
ACL_internal_access_result	PFS_internal_schema_access::check (ulong want_access, ulong *save_priv) const
const ACL_internal_table_access *	PFS_internal_schema_access::lookup (const char *name) const
virtual ACL_internal_access_result	PFS_readonly_acl::check (ulong want_access, ulong *save_priv) const
ACL_internal_access_result	PFS_truncatable_acl::check (ulong want_access, ulong *save_priv) const
ACL_internal_access_result	PFS_updatable_acl::check (ulong want_access, ulong *save_priv) const
ACL_internal_access_result	PFS_editable_acl::check (ulong want_access, ulong *save_priv) const
ACL_internal_access_result	PFS_unknown_acl::check (ulong want_access, ulong *save_priv) const

Detailed Description

Typedef Documentation

typedef int(* pfs_delete_all_rows_t)(void)

Callback to delete all rows.

Definition at line 205 of file pfs_engine_table.h.

typedef ha_rows(* pfs_get_row_count_t)(void)

Callback to get a row count.

Definition at line 207 of file pfs_engine_table.h.

typedef PFS_engine_table*(* pfs_open_table_t)(void)

Callback to open a table.

Definition at line 200 of file pfs_engine_table.h.

typedef int(* pfs_write_row_t)(TABLE *table, unsigned char *buf, Field **fields)

Callback to write a row.

Definition at line 202 of file pfs_engine_table.h.

Function Documentation

ACL_internal_access_result PFS_readonly_acl::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal table. When a privilege is granted, this method add the requested privilege to save_priv.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_table_access.

Definition at line 631 of file pfs_engine_table.cc.

ACL_internal_access_result PFS_truncatable_acl::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal table. When a privilege is granted, this method add the requested privilege to save_priv.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_table_access.

Definition at line 646 of file pfs_engine_table.cc.

ACL_internal_access_result PFS_updatable_acl::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal table. When a privilege is granted, this method add the requested privilege to save_priv.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_table_access.

Definition at line 661 of file pfs_engine_table.cc.

ACL_internal_access_result PFS_editable_acl::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal table. When a privilege is granted, this method add the requested privilege to save_priv.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_table_access.

Definition at line 676 of file pfs_engine_table.cc.

ACL_internal_access_result PFS_unknown_acl::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal table. When a privilege is granted, this method add the requested privilege to save_priv.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_table_access.

Definition at line 690 of file pfs_engine_table.cc.

ACL_internal_access_result PFS_internal_schema_access::check	(	ulong	want_access,
		ulong *	save_priv
	)		const

virtual

Check access to an internal schema.

Parameters

	want_access	the privileges requested
[in,out]	save_priv	the privileges granted

Returns

Return values

ACL_INTERNAL_ACCESS_GRANTED	All the requested privileges are granted, and saved in save_priv.
ACL_INTERNAL_ACCESS_DENIED	At least one of the requested privileges was denied.
ACL_INTERNAL_ACCESS_CHECK_GRANT	No requested privilege was denied, and grant should be checked for at least one privilege. Requested privileges that are granted, if any, are saved in save_priv.

Implements ACL_internal_schema_access.

Definition at line 578 of file pfs_engine_table.cc.

void PFS_engine_table_share::check_all_tables ( THD * thd )

static

Check all the tables structure.

Parameters

thd	current thread

Definition at line 158 of file pfs_engine_table.cc.

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void PFS_engine_table_share::check_one_table ( THD * thd )

Check integrity of the actual table schema. The actual table schema (.frm) is compared to the expected schema.

Parameters

thd	current thread

Definition at line 208 of file pfs_engine_table.cc.

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void PFS_engine_table_share::delete_all_locks ( void )

static

Delete all the table share locks.

Definition at line 249 of file pfs_engine_table.cc.

int PFS_engine_table::delete_row	(	TABLE *	table,
		const unsigned char *	buf,
		Field **	fields
	)

Delete a row from this table.

Parameters

table	Table handle
buf	the row buffer to delete
fields	Table fields

Returns: 0 on success

Definition at line 412 of file pfs_engine_table.cc.

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int PFS_engine_table::delete_row_values	(	TABLE *	table,
		const unsigned char *	buf,
		Field **	fields
	)

protectedvirtual

Delete a row.

Parameters

table	Table handle
buf	Row buffer
fields	Table fields

Reimplemented in table_setup_objects, and table_setup_actors.

Definition at line 435 of file pfs_engine_table.cc.

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const PFS_engine_table_share * PFS_engine_table::find_engine_table_share ( const char * name )

static

Find a table share by name.

Parameters

name	The table name

Returns: table share

Definition at line 320 of file pfs_engine_table.cc.

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String * PFS_engine_table::get_field_char_utf8	(	Field *	f,
		String *	val
	)

static

Helper, read a value from a char utf8 field.

Parameters

	f	the field to read
[out]	val	the field value

Returns: the field value

Definition at line 536 of file pfs_engine_table.cc.

ulonglong PFS_engine_table::get_field_enum ( Field * f )

static

Helper, read a value from an enum field.

Parameters

f	the field to read

Returns: the field value

Definition at line 528 of file pfs_engine_table.cc.

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String * PFS_engine_table::get_field_varchar_utf8	(	Field *	f,
		String *	val
	)

static

Helper, read a value from a varchar utf8 field.

Parameters

	f	the field to read
[out]	val	the field value

Returns: the field value

Definition at line 545 of file pfs_engine_table.cc.

void PFS_engine_table::get_normalizer ( PFS_instr_class * instr_class )

Get the normalizer and class type for the current row.

Get the timer normalizer and class type for the current row.

Parameters

[in] instr_class class

Definition at line 464 of file pfs_engine_table.cc.

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void PFS_engine_table::get_position ( void * ref )

Get the position of the current row.

Parameters

[out] ref position

Definition at line 446 of file pfs_engine_table.cc.

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ha_rows PFS_engine_table_share::get_row_count ( void ) const

Get the row count.

Definition at line 257 of file pfs_engine_table.cc.

void PFS_engine_table_share::init_all_locks ( void )

static

Initialize all the table share locks.

Definition at line 240 of file pfs_engine_table.cc.

void initialize_performance_schema_acl ( bool bootstrap )

Initialize the performance schema ACL. ACL is strictly enforced when the server is running in normal mode, to enforce that only legal operations are allowed. When running in boostrap mode, ACL restrictions are relaxed, to allow the boostrap scripts to DROP / CREATE performance schema tables.

See Also: ACL_internal_schema_registry

Parameters

bootstrap True if the server is starting in bootstrap mode.

Definition at line 615 of file pfs_engine_table.cc.

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const ACL_internal_table_access * PFS_internal_schema_access::lookup ( const char * name ) const

virtual

Search for per table ACL access rules by table name.

Parameters

name	the table name

Returns: per table access rules, or NULL

Implements ACL_internal_schema_access.

Definition at line 597 of file pfs_engine_table.cc.

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bool pfs_show_status	(	handlerton *	hton,
		THD *	thd,
		stat_print_fn *	print,
		enum ha_stat_type	stat
	)

SHOW ENGINE PERFORMANCE_SCHEMA STATUS.

Parameters

hton	Storage engine handler
thd	Current thread
print	Print function
stat	status to show

Definition at line 719 of file pfs_engine_table.cc.

int PFS_engine_table::read_row	(	TABLE *	table,
		unsigned char *	buf,
		Field **	fields
	)

Read a table row.

Parameters

table	Table handle
buf	Row buffer
fields	Table fields

Returns: 0 on success

Definition at line 342 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_char_utf8	(	Field *	f,
		const char *	str,
		uint	len
	)

static

Helper, assign a value to a char utf8 field.

Parameters

f	the field to set
str	the string to assign
len	the length of the string to assign

Definition at line 487 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_enum	(	Field *	f,
		ulonglong	value
	)

static

Helper, assign a value to an enum field.

Parameters

f	the field to set
value	the value to assign

Definition at line 511 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_longtext_utf8	(	Field *	f,
		const char *	str,
		uint	len
	)

static

Helper, assign a value to a longtext utf8 field.

Parameters

f	the field to set
str	the string to assign
len	the length of the string to assign

Definition at line 503 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_timestamp	(	Field *	f,
		ulonglong	value
	)

static

Helper, assign a value to a timestamp field.

Parameters

f	the field to set
value	the value to assign

Definition at line 518 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_ulong	(	Field *	f,
		ulong	value
	)

static

Helper, assign a value to a ulong field.

Parameters

f	the field to set
value	the value to assign

Definition at line 473 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_ulonglong	(	Field *	f,
		ulonglong	value
	)

static

Helper, assign a value to a ulonglong field.

Parameters

f	the field to set
value	the value to assign

Definition at line 480 of file pfs_engine_table.cc.

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void PFS_engine_table::set_field_varchar_utf8	(	Field *	f,
		const char *	str,
		uint	len
	)

static

Helper, assign a value to a varchar utf8 field.

Parameters

f	the field to set
str	the string to assign
len	the length of the string to assign

Definition at line 495 of file pfs_engine_table.cc.

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void PFS_engine_table::set_position ( const void * ref )

Set the table cursor at a given position.

Parameters

[in] ref position

Definition at line 455 of file pfs_engine_table.cc.

int PFS_engine_table::update_row	(	TABLE *	table,
		const unsigned char *	old_buf,
		unsigned char *	new_buf,
		Field **	fields
	)

Update a table row.

Parameters

table	Table handle
old_buf	old row buffer
new_buf	new row buffer
fields	Table fields

Returns: 0 on success

Definition at line 388 of file pfs_engine_table.cc.

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int PFS_engine_table::update_row_values	(	TABLE *	table,
		const unsigned char *	old_buf,
		unsigned char *	new_buf,
		Field **	fields
	)

protectedvirtual

Update the current row values.

Parameters

table	Table handle
old_buf	old row buffer
new_buf	new row buffer
fields	Table fields

Reimplemented in table_setup_instruments, table_threads, table_setup_objects, table_setup_actors, table_setup_consumers, and table_setup_timers.

Definition at line 553 of file pfs_engine_table.cc.

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int PFS_engine_table_share::write_row	(	TABLE *	table,
		unsigned char *	buf,
		Field **	fields
	)		const

Write a row.

Definition at line 266 of file pfs_engine_table.cc.

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Variable Documentation

PFS_editable_acl pfs_editable_acl

Singleton instance of PFS_editable_acl.

Definition at line 673 of file pfs_engine_table.cc.

PFS_editable_acl pfs_editable_acl

Singleton instance of PFS_editable_acl.

Definition at line 673 of file pfs_engine_table.cc.

const char* pfs_engine_name

Name of the performance schema engine.

Definition at line 177 of file ha_perfschema.cc.

PFS_readonly_acl pfs_readonly_acl

Singleton instance of PFS_readonly_acl.

Definition at line 628 of file pfs_engine_table.cc.

PFS_readonly_acl pfs_readonly_acl

Singleton instance of PFS_readonly_acl.

Definition at line 628 of file pfs_engine_table.cc.

PFS_truncatable_acl pfs_truncatable_acl

Singleton instance of PFS_truncatable_acl.

Definition at line 643 of file pfs_engine_table.cc.

PFS_truncatable_acl pfs_truncatable_acl

Singleton instance of PFS_truncatable_acl.

Definition at line 643 of file pfs_engine_table.cc.

PFS_unknown_acl pfs_unknown_acl

Singleton instance of PFS_unknown_acl.

Definition at line 687 of file pfs_engine_table.cc.

PFS_unknown_acl pfs_unknown_acl

Singleton instance of PFS_unknown_acl.

Definition at line 687 of file pfs_engine_table.cc.

PFS_updatable_acl pfs_updatable_acl

Singleton instance of PFS_updatable_acl.

Definition at line 658 of file pfs_engine_table.cc.

PFS_updatable_acl pfs_updatable_acl

Singleton instance of PFS_updatable_acl.

Definition at line 658 of file pfs_engine_table.cc.

Variables
const char *	pfs_engine_name
PFS_internal_schema_access	pfs_internal_access
PFS_readonly_acl	pfs_readonly_acl
PFS_truncatable_acl	pfs_truncatable_acl
PFS_updatable_acl	pfs_updatable_acl
PFS_editable_acl	pfs_editable_acl
PFS_unknown_acl	pfs_unknown_acl
PFS_readonly_acl	pfs_readonly_acl
PFS_truncatable_acl	pfs_truncatable_acl
PFS_updatable_acl	pfs_updatable_acl
PFS_editable_acl	pfs_editable_acl
PFS_unknown_acl	pfs_unknown_acl

Classes

Typedefs

Functions

Variables

Detailed Description

Typedef Documentation

Function Documentation

Variable Documentation